Table 2. Estimated stock numbers. | |||||||||||
Year\Age | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15+ |
1964 | 40741 | 33962 | 27119 | 22971 | 13630 | 7547 | 3577 | 1996 | 764 | 333 | 96 |
1965 | 40946 | 34648 | 28141 | 21423 | 15509 | 7685 | 3248 | 1420 | 677 | 302 | 53 |
1966 | 41523 | 34926 | 28912 | 22561 | 14909 | 9078 | 3532 | 1309 | 432 | 256 | 33 |
1967 | 43695 | 35383 | 29466 | 23624 | 16388 | 8943 | 4832 | 1608 | 422 | 153 | 24 |
1968 | 45252 | 37722 | 30001 | 24563 | 17677 | 10352 | 4943 | 2365 | 628 | 156 | 20 |
1969 | 44091 | 39577 | 32468 | 25109 | 18389 | 11317 | 5820 | 2346 | 1140 | 324 | 59 |
1970 | 37798 | 38025 | 33190 | 25874 | 17202 | 11684 | 6207 | 2903 | 1139 | 636 | 155 |
1971 | 31666 | 32177 | 30884 | 23576 | 15139 | 10024 | 6391 | 3229 | 1393 | 507 | 198 |
1972 | 29614 | 26903 | 24909 | 19495 | 12892 | 8890 | 5682 | 3531 | 1535 | 536 | 200 |
1973 | 26529 | 24959 | 20613 | 14394 | 10885 | 8018 | 5540 | 3361 | 1841 | 653 | 282 |
1974 | 24539 | 22516 | 19661 | 12342 | 7974 | 6785 | 5004 | 3306 | 1783 | 870 | 387 |
1975 | 22337 | 20478 | 17290 | 11521 | 6767 | 4772 | 4086 | 2853 | 1680 | 825 | 478 |
1976 | 21049 | 18336 | 15291 | 9633 | 6244 | 3814 | 2691 | 2137 | 1286 | 679 | 411 |
1977 | 20175 | 17171 | 13083 | 8245 | 4951 | 3388 | 2125 | 1339 | 855 | 471 | 276 |
1978 | 19283 | 15983 | 12006 | 7044 | 4552 | 2795 | 1950 | 991 | 504 | 263 | 188 |
1979 | 18345 | 15114 | 10942 | 6818 | 4033 | 2754 | 1686 | 975 | 428 | 156 | 134 |
1980 | 17487 | 14264 | 10604 | 6688 | 4358 | 2690 | 1864 | 986 | 509 | 184 | 111 |
1981 | 17640 | 13841 | 10550 | 7052 | 4404 | 2940 | 1813 | 1118 | 546 | 213 | 94 |
1982 | 17391 | 13866 | 10125 | 7233 | 4868 | 3033 | 1940 | 1062 | 612 | 217 | 91 |
1983 | 17510 | 13662 | 10214 | 7028 | 4903 | 3155 | 1768 | 1058 | 536 | 267 | 101 |
1984 | 17372 | 13847 | 9727 | 6865 | 4430 | 3104 | 1728 | 915 | 516 | 244 | 114 |
1985 | 17883 | 13800 | 9336 | 5932 | 4269 | 2784 | 1663 | 909 | 443 | 250 | 111 |
1986 | 18162 | 14260 | 9186 | 5514 | 3541 | 2696 | 1460 | 888 | 443 | 205 | 101 |
1987 | 18086 | 14370 | 9504 | 5245 | 3200 | 2103 | 1436 | 788 | 437 | 183 | 24 |
1988 | 17671 | 14409 | 9618 | 5287 | 2910 | 1904 | 1056 | 823 | 426 | 207 | 52 |
1989 | 16411 | 14186 | 9708 | 5349 | 2872 | 1623 | 981 | 551 | 444 | 232 | 65 |
1990 | 14955 | 12568 | 9170 | 5332 | 3000 | 1660 | 900 | 548 | 274 | 261 | 102 |
1991 | 14124 | 11039 | 7548 | 4789 | 2992 | 1759 | 861 | 473 | 213 | 157 | 137 |
1992 | 13902 | 10233 | 6787 | 3625 | 2635 | 1906 | 760 | 367 | 121 | 86 | 31 |
1993 | 14449 | 10503 | 7044 | 3856 | 2065 | 1881 | 923 | 358 | 111 | 41 | 5 |
1994 | 15690 | 11281 | 7627 | 4083 | 2217 | 1535 | 884 | 425 | 115 | 42 | 13 |
1995 | 16157 | 12892 | 8621 | 4671 | 2447 | 1613 | 676 | 385 | 119 | 31 | 16 |
1996 | 16285 | 13273 | 10179 | 5450 | 2888 | 1769 | 623 | 253 | 101 | 31 | 7 |
1997 | 16163 | 13380 | 10212 | 6580 | 3495 | 2142 | 690 | 260 | 75 | 48 | 11 |
1998 | 16267 | 13606 | 10534 | 6822 | 4577 | 2625 | 883 | 346 | 90 | 43 | 27 |
1999 | 16158 | 13706 | 10774 | 7036 | 4671 | 3460 | 1238 | 476 | 145 | 55 | 28 |
2000 | 16857 | 13450 | 10699 | 7117 | 4808 | 3395 | 1741 | 712 | 190 | 83 | 37 |
2001 | 17354 | 14184 | 10627 | 7320 | 4964 | 3510 | 1780 | 1054 | 332 | 112 | 57 |
2002 | 18122 | 14454 | 11123 | 7245 | 5218 | 3648 | 2006 | 1065 | 560 | 197 | 90 |
2003 | 19074 | 15301 | 11403 | 7806 | 5194 | 3889 | 2234 | 1237 | 595 | 359 | 154 |
2004 | 20238 | 16036 | 12229 | 7963 | 5643 | 3804 | 2517 | 1440 | 717 | 395 | 304 |
2005 | 22971 | 16955 | 12805 | 8632 | 5595 | 4040 | 2534 | 1656 | 820 | 447 | 386 |
2006 | 25771 | 19444 | 13522 | 9176 | 6050 | 4010 | 2755 | 1700 | 979 | 475 | 399 |
2007 | 28453 | 21709 | 15617 | 9723 | 6475 | 4390 | 2899 | 1925 | 1049 | 580 | 467 |
2008 | 30638 | 23909 | 17543 | 11697 | 7074 | 4868 | 3341 | 2087 | 1233 | 647 | 601 |
2009 | 33356 | 25978 | 19813 | 13740 | 8700 | 5317 | 3842 | 2469 | 1384 | 743 | 741 |
2010 | 32663 | 28424 | 21491 | 15899 | 10328 | 6694 | 4223 | 2862 | 1703 | 846 | 974 |
2011 | 31351 | 27917 | 23909 | 17438 | 12254 | 7998 | 5318 | 3194 | 1932 | 1060 | 1159 |
2012 | 29437 | 26609 | 23318 | 19409 | 13268 | 9528 | 6252 | 4017 | 2194 | 1251 | 1426 |